In Cosmic Era 60, War between the E.A and Zaft seemed inevitable. But when a Massive Alien Spacecraft crashes on Macross Island, the Earth Sphere Governments rebuild the ship. Ten Years later, the Zentradi come and they want their ship back.

Cosmic Era 73, war is being waged between the OMNI Enforcer and ZAFT. Now a long forgotton faction reappears with a great legend. Can Cagalli Yula Attha, the exiled leader of the Orb Union use this new found power to end the war and prepare for the next?

A handful of legendary pilots and ship captains from the world of genetic divisions of humanity is nearly law now find themselves in a parallel universe where genetically created gaint soldiers threaten a lone ship on its trip back to Mother Earth. MSGSD?